WIRING DIAGRAM NOTES
1. Refer to Fan Coil Installation Instructions for features and additional wiring information
2. To activate dehumidify function on FK series, remove J1 jumper at fan coil control board.
3. Heat pump must have a high pressure switch for dual fuel applications.
4. Refer to outdoor equipment Installation Instructions for proper setup.
5. Select the "zone" position on the 2-speed heat pump control board.
6. As an option O/W2 can be used to allow Thermidistat to control second-stage heat. Refer to indoor unit Installation Instructions for proper
setup.
7. As an option, Y1/W2 can be used to allow Thermidistat to control third-stage heat. Refer to indoor unit Installation Instructions for proper
setup.
8. Furnace must control its own second-stage heat operation via furnace control algorithm.
9. Outdoor air sensor must be attached in all dual fuel applications.
10. Refer to indoor equipment Installation Instructions for proper setup.
11.
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To activate dehumidify feature on older style variable-speed furnaces (Bryant 335MAV) that do not have a DE connection, a pilot duty
24-vac relay must be used.
12. To activate dehumidify feature on current style variable-speed 80% non-condensing furnace, disconnect green (DEHUM) wire from G on
furnace control board and connect to dehumidify terminal on Thermidistat Control.
13. Dip switch No. 1 should be set in OFF position for air conditioner installations. This is factory default.
14. Dip switch No. 1 should be set in ON position for heat pump installations.
15. Dip switch No. 2 should be set in OFF position for single-speed compressor operation. This is factory default.
16. Dip switch No. 2 should be set in ON position for 2-speed compressor operation.
17. Configuration Option No. 10 "Dual Fuel Selection" must be turned ON in all dual fuel applications.
18.
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Remove DE jumper to enable DEHUM input on furnace control board.
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